jQuery实现平滑的图片亮度渐变，鼠标移到图片上，可看到渐变效果，很平滑流畅的jQuery特效，代码也是超简洁的，可把此特效应用于图片展示、导航菜单中，制作一个鼠标高亮的菜单也是很不错的效果。-jQuery smooth picture brightness gradient, the mouse over the picture, you can see the gradient effect, very smooth smooth jQuery effects, the code is super simple, this effect can be applied to the picture display, navigation menu, make a mouse high highlighted menu is also very good results.